London to San Juan time
LondonUnited Kingdom5:26:42 PMSun 27 Sept · BST UTC+1
5 hSan Juan is behind
San JuanPuerto Rico12:26:42 PMSun 27 Sept · AST UTC−4Synchronising…
London and San Juan time difference
San Juan is currently 5 h behind London. London is on BST (UTC+01:00) and San Juan is on AST (UTC−04:00).
The difference can change with daylight saving time. The next change is in London on Sunday, 25 October 2026, after which San Juan will be 4 h behind London.
If it is 9:00 in London, what time is it in San Juan?
It is 04:00 in San Juan.
What is the best time for a call between London and San Juan?
Use the planner above: green hours are within 9:00–17:00 in both places.